baber/WOPTO huggingface dataset:
Patent GB-808740-A (GB)
Title: Improvements in bladed rotors, and in particular in ship propellers
IPC: B63H1/12
Filed: 1956-05-04
Abstract: 808,740. Screw propellers helicopter rotors. REIMBERT, M. May 4, 1956 [May 9, 1955; Jan. 25, 1956], No. 13900/56. Classes 4 and 114. [Also in Group XXVI] In a screw propeller or helicopter rotor having an axis of symmetry and blades the tips of which are located at the rear of their roots, any section of the pressure face of a blade in a plane passing through the axis, is a curve, all the tangents to which make with the axis forwardly directed angles of 45 degrees or less. The ship's propeller shown comprises four blades 1 inclined towards the rear from their points of attachment to the hub 2. Any plane through the propeller axis X .. Y and the pressure face of a blade makes a curve such as C1, Fig. 3, of which all the tangents make an angle of 45 degrees or less with the axis X .. Y : as shown the curve is a parabola and the blade ends when the tangent makes an angle of 45 degrees with the axis. The pressure faces of the blades are concave towards the axis their curves forming a logarithmic or other spirals and the tips of the blades lie on a circle concentric with the axis X .. Y. The front and rear outlines of the pressure surfaces of the blade are curves joined to the cylinder of thrust by an arc of a helix. The leading edge of each blade overlaps the trailing edge of the adjacent blade. The hub 2 may be omitted and the blades be attached directly to one another.
Patent GB-634404-A (GB)
Title: Improvements connected with weighing machines
IPC: G01G19/46
Filed: 1947-05-27
Abstract: 634,404. Weighing-apparatus. CRAWFORD, C. E., and TAYLOR, A. May 27, 1947, No. 14012. [Class 143] In a spring counterbalanced personal weighing scale the leverage exerted by a bell crank which transmits movement of the platform to the rack of an indicating mechanism is adjustable. A platform 3 is supported on the upstanding arms of a U-shaped frame 1 which is guided by three pairs of parallel links 36 and on which is pivoted, at 5, a yoke 6. This yoke is connected to the bottoms of springs 7 the tops of which are engaged by a yoke 8 suspended from a hook member 9 adjustably mounted on a fixed part of the casing. Movement of the frame 1 is communicated through a link 17, a bell crank 18, a rack 23 and a pinion 24 to an indicator 26, and the pivoted connection between the link 17 and bell crank 18 is made adjustable by means of a pin 42 which is adjustable along a slot 41. A Y-shaped frame 28 which carries pivots 19 for the bell crank also forms the support for the complete indicating mechanism which is assembled thereon prior to the insertion of said frame in the scale.
Patent GB-388011-A (GB)
Title: Improvements in or relating to the preparation of hides
IPC: C14B1/24
Filed: 1931-05-12
Abstract: 388,011. Stretching and shearing hides. PUYMBROECK, J. VAN, 158, Grand Rue au Bois, Brussels. May 12, 1931, No. 14053. Convention date, May 12, 1930. Void [Published under Sect. 91 of the Acts]. [Class 76.] Hides &c. prior to shearing are stretched laterally and longitudinally by two sets of transporting belts A, B which are guided by pulleys c .. c<n> so as to pass in alternate order above and below rolls b .. b<n> with which pressure rolls a .. a<n> co-operate. The rolls b .. b<n> are provided with helical grooves to effect the lateral stretching of the hide. The hide passes from the transporting and stretching device to a shearing machine comprising upper and lower jaws 1, 3 provided with teeth 2, 4. The upper jaw is reciprocated on ball bearings 5 under the pressure of a spring-loaded plate 7.
Patent GB-906290-A (GB)
Title: Thermocouples for measuring the temperature of hot gas passing through a duct
IPC: G01K7/02
Filed: 1961-04-19
Abstract: 906,290. Thermocouples. GENERAL MOTORS CORPORATION. April 19, 1961 [April 19, 1960], No. 14127/61. Class 40 (1). [Also in Groups XX and XXXVI] A thermocouple particularly for use for measuring gas temperatures in a jet engine comprises a probe a section through which is shown in Fig. 2 containing thermocouples shown in Fig. 4 comprising wires 27 and 29 of a nickel chrome alloy and wires 28 and 30 of a nickel-aluminium alloy. The wires 27 and 28, and 29 and 30 being joined at their lower end to form the thermocouples and having contact members, two of which are shown at 31 and 32, attached at their upper ends. The thermocouple is retained inside the probe by a shell 50, Fig. 14, which is spun over a flange on the probe at 51 and which has a screwed stud 53 attached at its centre and holes through which the contact members attached to the thermocouple wires protrude, e.g. at 34. The contact members are insulated and located by insulating discs 36, 37 and 38 which are all located relative to the shell by key 58, which also locates a cover 86, Fig. 18, which carries on spacer 60 a spring 67 having contacts 71 and terminals 75 mounted by means of insulators at the ends of its four arms, the contacts engaging the contact members 34 attached to the thermo-couple wires and the terminals 75 being connected to the indicating instrument via a wiring harness passing through the cover via cable entry 89.
Patent GB-198892-A (GB)
Title: Improvements in or relating to condenser lens mounts
IPC: G02B7/04
Filed: 1922-05-19
Abstract: 198,892. Rigby, R., and Rigby, P. May 19, 1922. Lens mounts.-Condensers for kinematograph projection apparatus have the lens components mounted in separate cells a, c, one adapted to slide within the other to permit axial adjustment. This adjustment is effected by means of at least two pin and helical slot devices d, e spaced equi-angularly round the periphery, the pins being fitted with clamping screws f, as shown. One cell may be turned relatively to the other or both cells may be non- rotatable and the pins fitted to a third internal or external ring, the turning of which will effect the required movement.
Patent GB-141825-A (GB)
IPC: G01J1/08
Abstract: 141,825. Hargreaves, F. J. Jan. 28, 1919. Comparison photometers; iris diaphragms.-A radioactive material. associated with a substance such as zinc sulphide capable of emitting light under the action of radium emapations, is used as a standard source of illumination in a photometer or actinometer. In the form shown in Fig. 1, the luminous standard b is mounted on a translucent screen a, and is arranged to be slightly out of focus in the field of a lens d. The light entering the instrument passes through a grey screen e, or through an iris diaphragm .and a translucent screen. A lens may also be -mounted in the outer end of the instrument. In the form shown in Figs. 4 and 5, the radio-active material i<1> and the sensitive material m<1> are mounted separately on plates l, m and are normally out of register, but are adapted to be brought into register by depressing the plunger o to move the pivoted plate m against the spring n. A collapsible exposure meter, shown in Fig. 6, comprises a lens d, radio-active standard l, m. and iris diaphragm g, the scales employed being shown in Fig. 7. The plate-speed scale s is attached to the body of the instrument adjacent a frictionally rotatable aperture scale s<1>; the exposure scale s<11> is carried by the diaphragm g. The scales are graduated in geometrical progression, and the diaphragm g is so arranged that a definite angular rotation alters the aperture in a definite ratio. The diaphragm g may be covered by a grey screen r having a scale r<1> adapted to cover the scale s", the ratio between corresponding graduations on these two scales being equal to the transmission factor of the screen r. Specification 6974/04 is referred to.
Patent GB-942634-A (GB)
Title: Permanently lubricated rubber bearing
IPC: F16F1/376
Filed: 1962-04-12
Abstract: 942,634. Hinges and pivots. CLEVITE HARRIS PRODUCTS Inc. April 12, 1962 [April 13, 1961], No. 14194/62. Addition to 847171. Heading E2F. A permanently lubricated bearing assembly comprises an inner rigid member lying within and spaced from an outer rigid tubular sleeve member for oscillating movement relatively thereto and a co-operating tubular rubber or rubber-like element interposed between the members, the element having formed on that circumferential surface which lies adjacent to one of the members a plurality of load-carrying ridges which extend both longitudinally and circumferentially to provide a series of pockets including pockets which are spaced circumferentially and pockets which are spaced longitudinally from one another, and sealing means being provided at each end of the element to co-operate with the member lying adjacent to the pockets to prevent egress of the liquid or semi-liquid lubricant contained by the pockets. Examples of elements constructed according to the invention are shown in Figs. 2, 3 and 4, in which 9, 15 and 19 are the pockets, 7, 8, 13, 14 and 18 are the ridges, and 9a, 10 and 16 are the sealing means. In each of these elements the pockets are adjacent to the outer tubular member. The Specification gives examples of a number of lubricants suitable for use with various rubber or rubber-like materials. The surface of the element which is not formed with pockets may be secured to the rigid member with which it lies in contact.
Patent GB-333515-A (GB)
Title: Improvements in or relating to automatic display devices for use upon vehicles, for example, a signal or advertising device
IPC: G09F13/14
Filed: 1929-05-07
Abstract: 333,515. Taplin, H. J. May 7, 1929. Road-traffic signals on vehicles.-On retardation of a vehicle, a stop signal or an advertisement is automatically displayed through a window 4 in a box 1 by the action of a horizontal pendulum 10 swinging about a substantially vertical axis 13. The sign may be formed by cutting- away a figured surface 7 on a glass sheet 6, and using a co-operating pivoted mirror 9 adapted to be rocked by the pendulum arm 11, engaging a fork-shaped member 11<a> on the mirror. The sign is illuminated at night by the head-lamps of a following vehicle, or a lamp 19, Fig. 4, connected by an adaptor 21 to the ordinary tail-light cable 24, may be used for this purpose, the lamp being arranged so as not to obstruct the daylight illumination of the sign. The tail-lamp may be arranged to illuminate both the number plate and the stop sign. Instead of moving a mirror, the pendulum may rotate a stencilled mask in front of a window, or it may operate a switch for lighting signal lamps. Where a box sign is used, the mirror itself may bear the sign and may be of the translucent kind, illuminated at night from behind, and by day from above.
Patent GB-501336-A (GB)
Title: Improvements relating to steel alloys
IPC: C22C38/02
Filed: 1937-05-24
Abstract: 501,336. Alloys; annealing. KOHLEUND EISENFORSCHUNG GES. May 24, 1937, No. 14394. Convention date, June 11, 1936. [Classes 72 and 82 (i)] Steels for making articles required to have a high creep limit at high temperatures, such as boiler parts, internal combustion engine valves and valve springs, screws, bolts, and the like, contain one or more of the elements molybdenum, vanadium, silicon, tungsten, aluminium, phosphorus, and chromium, the proportion of which, when one only of such elements is present, is determined according to the carbon content from the hatched portions of Figs. 2, 4, and 5, the maximum of these ranges corresponding to the maximum value for the AC3 point; when more than one is present, the proportions are determined according to the formula where a, b ... are the contents of the elements X, Y ... present, and ap, bp . . . are the contents of the elements X, Y ... derived from Figs. 2, 4 and 5 for the single elements for the corresponding carbon contents. Elements such as manganese or nickel, or the ranges of chromium excepted from the hatching of Fig. 4, are preferably absent; if they are present, the resulting lowering of the AC3 point is balanced by the presence of the stated elements molybdenum, vanadium, &c. in such proportions that the value given by the above formula is the maximum, that is, 1. The alloys are heated to at least 50‹ C. above the AC3 point, and either quenched and tempered, or cooled slowly to 20‹ C., above the AC3 point and then quenched and tempered. The Specification as open to inspection under Sect. 91 refers also to titanium as a constituent of the steels. This subject-matter does not appear in the Specification as accepted.
Patent GB-984854-A (GB)
Title: Improvements in or relating to moulds and plastic moulding
IPC: B23P15/00
Filed: 1963-04-10
Abstract: <PICT:0984854/C6-C7/1> At least one face of an injection mould for making plastic articles (see Division B5) is formed by electrodeposition, the mould having at least one internal sinuous conduit.  In one embodiment a copper plate 30 having a mould cavity 31 is provided with a sinuous rib 34 made of low melting point material which is either electrically conductive or made so by a suitable coating. A closure layer 35 of copper is electrolytically deposited on the ribbed face.  The grooves are then filled with low melting point material 37 and a closure layer 38 electrolytically deposited. By melting the material 34, 37 two conduits are formed.
Patent GB-1430592-A (GB)
Title: Treatment of slurries and the like
IPC: B30B9/14
Filed: 1972-03-29
Abstract: 1430592 Screw press WATFORD ENG LTD 14 March 1973 [29 March 1972] 14597/72 Heading B1D [Also in Division F2] An auger press for extracting liquids from slurries 'has a perforated tubular wall 7, an annular pressing chamber which may be of reducing cross section and a rotating pressure regulated piston 38 (Fig. 2B not shown) which restricts discharge of solids at the outlet end. Slurry entering through 34 is forced up wall 7 by screw 8 rotated by motor 14, the annular chamber within wall 7 being constricted by upwardly tapering the wall 7 or increasing the diameter of the shaft 50; slurry is forced past the piston into chamber 36 from which it is ejected through outlet 40 assisted by vanes 58 attached to the rotating piston. Fig. 2B (not shown) illustrates how the rotating piston (38) downstream of the screw 8 has pressure applied by a non-rotating pressure controlled compressed air operated piston in chamiber 40. The piston (38) is allowed to lift to pass lumps. Air control apparatus is disclosed. The press illustrated has two assemblies as described above located in a common housing, with cover plate 114, common inlet 34 and common slurry and liquid outlets 40, 42. For Figure see next column
Patent GB-1483742-A (GB)
Title: Injection moulding control system
IPC: B29C37/00
Filed: 1974-07-23
Abstract: 1483742 Control of injection moulding HUNKAR LABORATORIES Inc 23 July 74 14627/77 Divided out of 1483741 Heading G3N The disclosure is identical to that of the Parent Specification, but the claims are directed to an injection moulding control system employing two pressure transducers which respectively influence the programmed movement of a ram during the plasticization and injection phases.
Patent GB-1245366-A (GB)
Title: Improvements in or relating to bearing assemblies of the spiral groove type
IPC: F16C17/26
Filed: 1969-03-20
Abstract: 1,245,366. Spiral groove bearing. SVENSKA KULLAGERFABRIKEN A.B. 20 March, 1969 [20 March, 1968], No. 14729/69. Heading F2A. A hydrodynamic thrust bearing, e.g. for a rotor of a heat exchanger, has a bearing plate 4, in the surfaces of which are spiral grooves 5, disposed between the thrust surfaces of the rotor and its support, the rotor and bearing plate being drivingly connected to independent prime movers so that the plate and rotor can be rotated at different speeds. The thrust bearing member 6 is mounted in the support 2 by an hydraulic adjustment device 7. When the bearing is to be operated, the rotor 1 is first jacked up off the plate by means of the jack 10 whose piston 11 forces ring 13 against the inner portion of the rotor journal bearings 15 and causes the rotor to be lifted. The plate 4 is then rotated via the gear 8 engaging the gear ring 9 on the periphery of the plate. When the speed of rotation of the plate is such that sufficient pressure is attained in the hydrodynamic bearing to support the load, the rotor is lowered by unloading the jack and the rotor is started.
Patent GB-988765-A (GB)
Title: Improvements in or relating to an associative memory
IPC: G11C15/06
Filed: 1963-04-16
Abstract: 988,765. Data storage apparatus. INTERNATIONAL BUSINESS MACHINES CORPORATION. April 16, 1963 [April 17, 1962], No. 14734/63. Heading G4C. The impedance of a large parallel cryotron associative memory is increased and the switching time reduced by dividing the memory into blocks to shorten the length of parallel paths, the blocks being searched and read-out serially. When a match has been found the flip-flop MI associated with a word is set (current in righthand limb). A "begin read" pulse sends current from source +T to the limb V. If at least one MI flip-flop in Block 1 is set, current from source +Z sends cryotron 3 resistive and the current from +T sends cryotron 4 resistive. Current from +R is thus steered to interrogate the flip-flop MI. If a flip-flop is off, a cryotron such as cryotron 6 is resistive, otherwise the +R current is used to read-out the matched word. During read-out a control flip-flop is set. After a predetermined time line G is pulsed which causes the set control flip-flop to switch off the MI flip-flop e.g. current from source 0 passes through gate 14 to send gate 109 resistive. A pulse on line H then steers current from source +S to switch off the control flip-flop. The current from source +T is thus steered by the switched-off MI flip-flop to interrogate the next MI flip-flop and possibly initiate a similar read-out process. When all the MI flip-flops of Block 1 are switched off, current from +Z flows through gate 2 and is available to initiate interrogation of Block 2.
Patent GB-1095647-A (GB)
Title: Improvements in or relating to boom support and stabilizer assemblies
IPC: E02F9/08
Filed: 1966-04-04
Abstract: 1,095,647. Vehicle rest bars. MASSEY FERGUSON Inc. April 4, 1966 [April 5, 1965], No. 14790/66. Heading B7J. For supporting a boom of an excavating or material handling assembly on a tractor there is provided a frame 4, Figs. 1 and 2, mountable on the tractor and having a pair of downwardly and outwardly directed stabilizer legs 13, 15 pivotally mounted thereon for movement between ground engaging and non-engaging positions by extensible and retractable actuators protectively housed within the frame in a pair of downwardly and outwardly inclined housings 18. The housings are laterally spaced along the frame and are open at the lower ends from which project the actuators, each of which is pivotally connected at the ends to the associated housing and leg.
Patent GB-853874-A (GB)
Title: Method and apparatus for attaching a sheet of perforable material to a frame
Inventor: SMITH FREDERICK LOUIS
IPC: G03D13/12
Filed: 1957-05-09
Abstract: 853,874. Photographic developing apparatus. RELY-A-BELL BURGLAR & FIRE ALARM CO. Ltd. April 23, 1958 [May 9, 1957], No. 14837/57. Class 98(2) [Also in Group VIII] In a device for loading sheets of, for example, photographic film on to a spiked holder on which it is carried during subsequent processing, a sheet is releasably held on a carrier which is advanced to impale the sheet on the spikes and retracted to release the sheet from the carrier and leave it on the spikes which are preferably barbed. As shown, a rectangular frame holder 24 which may be provided at the top with supporting rings or hooks has two oppositely directed spikes 25 at each corner and is supported in grooves 10 in side members of the loading device. Two sheets of film are held on plates 11 by engagement with straps 12 and are impaled on the tips of spikes 25 when the plates are moved inwards by pivoted levers 15. Levers 15 are both linked to a plunger (Fig. 1, not shown), a single stroke of which moves the plates 11 both towards and away from one another. Specification 837,009 is referred to.
Patent GB-353572-A (GB)
Title: Improvements in the indicating scales and indexes of electrical apparatus
IPC: G01R1/08
Filed: 1930-05-14
Abstract: 353,572. Adjusting wireless apparatus. HICKS, A. F. M., 97, Kenilworth Avenue, Wimbledon Park, London. May 14, 1930, No. 14844. [Class 37.] In a scale and index for wireless and other electrical apparatus a hair line is inclined to and intersects the scale graduations, secondary divisions being provided for reading fractions of a main scale division. Fig. 1 shows one form of the invention in which a scale provided on a drum connected to the wireless apparatus is viewed through an aperture 42 across which stretches an indicating member 43. The graduations 44 of the scale are inclined and the position of their intersection with the member 43 is indicated by lines 45 on the drum scale. Four other forms of the invention are described. (1) The member 43 is graduated, the lines 45 then being omitted. (2) The graduations 44 are parallel with the axis of the drum and the indicating member is inclined thereto and is graduated. (3) The scale is of protractor form, Fig. 4, having non-radial graduations 51, the indicating member 49 being graduated and carried by a radial arm 50. (4) The scale markings are inclined but the graduations on the indicating member do not extend to the full width of the scale. Reference has been directed by the Comptroller to Specifications 15026/97, 27108/05, 24349/07 and 319,209, [all in Class 143, Weighing-apparatus.]
Patent GB-1466264-A (GB)
Title: Multicarton cases
IPC: B65D5/72
Filed: 1973-03-28
Abstract: 1466264 Boxes and cases UNILEVER Ltd 21 March 1974 [28 March 1973] 14876/73 Heading B8P A case 2 containing a plurality of rows of cartons 5 is provided with a pull tape 8, which is fixed to a side wall of the case, passes downwardly to the bottom and extends below at least one carton before extending upwardly to terminate at a free end 6 so that one or more of the cartons can be lifted by pulling the tape to facilitate unpacking. As shown, the tape extends below all the cartons of a central row and raises these by different amounts. In a modification, Fig. 4 (not shown), the tape passes below only one carton. The tape is of stranded paper or nylon and is secured at 9 by glass fibre-reinforced adhesive paper tape.
Patent GB-110209-A (GB)
Title: Improvements in or relating to Orthoædic, Fracture, and like Surgical Appliances.
Inventor: COOPER HAROLD EDWIN
IPC: A61F5/01
Filed: 1916-10-20
Abstract: 110,209. Cooper, H. E., and Bird, A. Oct. 20. 1916. Tension apparatus. for applying persistent mechanical extension to leg and arm splints, comprises bars c, d pivoted to plates a, b carried by thigh and leg surrounding members f, g. The bars c, d are adjustably pivoted, and to effect the tension, they are pressed down to the position shown in Fig. 2 until slots l register with holes n in which locking-screws are passed; a locking-slide k closes the pivot joint. The foot of the patient rests against a foot-piece q to which it may be secured by an angle-shaped stirrup r, Fig. 5. In a modified construction, the plates a are secured to a rigid thigh frame, and the plates a and b carry padded straps encircling the thigh and leg.